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Huck's Decatur DOMENICO MODEI(STEADY STATE-IEPA TACOj � <br /> f3 14(5 tt) <br /> Calculalion Resulls usiny-lACO Fyualions S1 7 and R26(or Cunlaminanl Coizcentralions in Groundwaler lha!have Ir,ached from soil <br /> General Paramelers fof R28 de ults <br /> Vert.source thickness,Sd: 10 fl. 6.56 ft <br /> Horiz.Source Widlh,Sw(normat to Oow): 90 B. general yravel sand silt clay <br /> SaWra�ed Porosity 012 0.43 Q25 0.32 0.40 0.36 <br /> Hyd�.GradienC 0 G19G <br /> SaL Hydr.Cond.: �52F-04 cm/s <br /> Spec.Dischg.: 2.i6E-05 cm/s <br /> Soil Dulk Dens. 1:i glcma 1.5 2.0 1.8 1.6 1.7 <br /> GW Oarcy Vei. 2.18E+02 cm/yr <3 ft bgs: >3 fl bgs: <br /> Fraclion organic carbon,toc: OAU2t7 0.006 0.002 <br /> Leoching Factor(Soll to OroundWater) �a �� <br /> TACO Equatinn S17 <3 ft bgs >3 tl bgs gravel sand sili clay <br /> Wetled porosity 0.30 0.15 0.30 0.20 0.18 0.16 0.17 <br /> Air porosily 0.17 028 0.13 0.05 0.14 0.16 0.17 <br /> GW Mixing Zone Thickness,i1 �i.5G 6.56 6.56 <br /> Infiliration Rate,cmlyr 30.00 30 30.00D <br /> Source Length parallel to 220 fee� <br /> At source pl. benzene toluene elhylbenz xylenes N MTBE � � <br /> Soll concentrallon�mglkg) 0�11 U 003g 0 088 1 2 <br /> Dilulion tactor 122 20 (7AC0 defaull) <br /> Uil Faclor to use 20 <br /> Equillb to�al conc factor 3.85E01 7.33601 124Ei00 9.50E�01 2.34E-01 <br /> Leaching Faclor 7.6�J 14.66 2A.89 1&99 4.69 <br /> Leached 6W Conc.(mglL) 0.014 D.000 0.004 0.063 0.000 <br /> Dlst.X,boringlwell to Compllance Pt.: 7[S fl. <br /> Class I/Cless II 6roundwater: Class 1 <br /> Calculatlons based on equatlon R16IR26 In 36 IAC 742 A endlx C Table C. <br /> Chemical: Benzene Toluene Eth Ibenx X lenes MTBE <br /> f(oc(mUg) 58.9 182 363 260 12 <br /> Decay Const.(/day)' 9.00E�04 1.10602 3.DOE-03 1.90E03 O.00E+00 <br /> Dim'less Henry's Law Cons1. 228E-Ot 272E-Dt 3.23601 250E01 241 E-02 <br /> Class I GW CUO(mg/L) 0.005 1.000 0]00 10.000 0.070 <br /> Class II GW CUO(mg/I_) 0.025 25 1 '10 0.07 <br /> A ro rialeCUO m/l 0.005 1.000 0700 10.000 0.070 <br /> Estimated Conce�tratlon at x feet from borfng/well: <br /> Leached GW Conc((rom above) 0.014 0.000 0.004 0.063 0.000 <br /> exponenlial facbr 0.367 D.000 0.057 0.142 1.000 <br /> Sw/(4 sqrt(alfa Y'X)) 1.643 <br /> ert(Sw!(4 sqrl(al(a y�x))} 0.980 <br /> Sd/(2 sqrt(alfa z'X�) 0.943 <br /> ed Sz 0.818 <br /> Fract of Inil Cona(ClCO)@ X 2.9384E-01 �.8357F�04 4.5064E-02 1.1402601 8.0111E-01 <br /> Es�imated Conc.al Pt X 0.004 0.000 0.000 U.00/ 0.000 <br /> RATIO:Conc�Pt x1ConActOb� 0.840 0.000 0.000 0.001 0.000 <br /> Eflects of Slmllarv4cting Chemlcals <br /> Hazard Index(HI) <br /> Total BTEX 0.841 <br /> Taryet Organ <br /> Kidney 0.000 <br /> Liver 0.000 <br /> Nervous�yslem 0.001 <br /> Crtcula�ory Sysl. 0•84o <br /> G-t Tracl 0.000 <br /> NOTE:The Hozard Indfces(Hls)for Total BTEX�nd each of Ihese oryons must nol exceed 1 <br />